Expand description
A smart pointer for Windows COM Interfaces.
ยงExamples
Creates a ComPtr from CreateDXGIFactory1
function.
use winapi::shared::dxgi::*;
use winapi::um::winnt::HRESULT;
use winapi::Interface;
use com_ptr::{ComPtr, HResult, hresult};
fn create_dxgi_factory<T: Interface>() -> Result<ComPtr<T>, HResult> {
ComPtr::new(|| {
let mut obj = std::ptr::null_mut();
let res = unsafe { CreateDXGIFactory1(&T::uuidof(), &mut obj) };
hresult(obj as *mut T, res)
})
}